Add datafusion-substrait crate to workspace

[andygrove]

Which issue does this PR close?

Closes #4880

Rationale for this change

We want cargo build to build all crates.

What changes are included in this PR?

• Add to workspace
• Clippy fix

Are these changes tested?

Are there any user-facing changes?

[andygrove]

Windows build fails with:

error: failed to run custom build command for `substrait v0.2.0`

Caused by:
  process didn't exit successfully: `D:\a\arrow-datafusion\arrow-datafusion\target\debug\build\substrait-a6509fbb99b47d6b\build-script-build` (exit code: 1)
  --- stdout
  cargo:rerun-if-env-changed=FORCE_REBUILD

  --- stderr
  Error: "protobuf compilation failed: protoc failed: Missing input file.\r\n"

[andygrove]

I filed substrait-io/substrait-rs#53

[andygrove]

@jdye64 @waynexia @nseekhao fyi

[alamb]

LGTM

[ursabot]

Benchmark runs are scheduled for baseline = 933e5ba and contender = 2f0ed38. 2f0ed38 is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java